Home / 481,111.58-721,169.06-395,977.22

Finding the Fourth Proportional to 481,111.58, 721,169.06 and 395,977.22

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Solution

The fourth proportional to 481,111.58, 721,169.06 and 395,977.22 is: 593,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,111.58 : 721,169.06 = 395,977.22 : x
  2. Step 2: Convert to fraction form
    481,111.58/721,169.06 = 395,977.22/x
  3. Step 3: Cross multiply
    481,111.58x = 721,169.06 × 395,977.22
  4. Step 4: Simplify right side
    481,111.58x = 285,566,519,528.81
  5. Step 5: Solve for x
    x = 285,566,519,528.81/481,111.58
  6. Step 6: Final answer
    x = 593,555.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.